The first report of Staphylococcus argenteus endocarditis with visualized valve vegetations
Ebba Hillstedt,
Magnus Dencker,
Bo Nilson,
Karl Oldberg,
Magnus Rasmussen
Affiliations
Ebba Hillstedt
Department of Perioperative Medicine and Intensive Care Medicine, Skåne University Hospital, Malmö, Sweden; Department of Infectious Diseases, Skåne University Hospital, Malmö, Sweden; Department of Medicine, Nyköping Hospital, Sörmland Region, Nyköping, Sweden; Centre for Clinical Research Sörmland, Uppsala University, Sweden; Corresponding author at: Department of Perioperative Medicine and Intensive Care Medicine, Skåne University Hospital, Carl Bertil Laurells gata 9, SE-20502 Malmö, Sweden.
Magnus Dencker
Department of Medical Imaging and Physiology, Skåne University Hospital, Sweden; Department of Translational Medicine, Lund University, Malmö, Sweden
Bo Nilson
Department of Clinical Microbiology, Infection Prevention and Control, Office for Medical Services, Region Skåne, Sweden; Division of Medical Microbiology, Department of Laboratory Medicine, Lund University, Lund, Sweden
Karl Oldberg
Department of Clinical Microbiology, Infection Prevention and Control, Office for Medical Services, Region Skåne, Sweden; Department of Clinical Sciences Lund, Division of Infection Medicine, Lund University, Lund, Sweden
Magnus Rasmussen
Department of Clinical Sciences Lund, Division of Infection Medicine, Lund University, Lund, Sweden; Department of Infectious Diseases, Skåne University Hospital, Lund, Sweden
Staphylococcus argenteus was recently defined as a species and has previously often been mistaken for Staphylococcus aureus due to the difficulties of conventional laboratory methods to distinguish the two species. The clinical presentation of infections caused by S. argenteus is largely unknown, and its virulence has since the definition of the species been debated. Here we present, to our knowledge, the first case of infective endocarditis due to S. argenteus with valve vegetations visualized on echocardiography. The 74-year-old male patient with biological aortic valve prothesis presented with a rapid onset of diffuse symptoms and his condition hastily deteriorated to septic shock followed by several complications such as intracranial septic emboli, severe heart failure, and intracardiac thrombus. After conservative treatment and management of the multiple complications, the patient recovered and was eventually discharged to his original housing situation.
